Determines whether a year is a leap year.

True, if year is a leap year; False, otherwise.

Date and time functions, Decision functions

IsLeapYear(year)

DaysInYear

<h3>IsLeapYear Example</h3>

<cfif IsDefined("FORM.theTestValue")>
   <cfif IsLeapYear(FORM.theTestValue)>
      <h3>The year value <cfoutput>#DE(FORM.theTestValue)#</cfoutput> is a Leap 
Year</h3>
   <cfelse>
      <h3>The year value <cfoutput>#DE(FORM.theTestValue)#</cfoutput> is not a 
Leap Year</h3>
   </cfif>
</cfif>

<form action = "isLeapYear.cfm">
<p>Enter a year value, and find out whether it is a Leap Year.
<p><input type = "Text" name = "TheTestValue" value = "
<cfoutput>#Year(Now())#</cfoutput>">
<input type = "Submit" value = "Is it a Leap Year?" name = "">
</form>